From bef3dad92922fbd261267221df349f3d2569b720 Mon Sep 17 00:00:00 2001
From: Thomas Albers <thomas@thomaslabs.org>
Date: Sun, 24 Jul 2022 12:21:29 +0200
Subject: Initial commit

---
 package.lisp | 154 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 package.lisp

(limited to 'package.lisp')

diff --git a/package.lisp b/package.lisp
new file mode 100644
index 0000000..d334845
--- /dev/null
+++ b/package.lisp
@@ -0,0 +1,154 @@
+(defpackage #:autotag
+  (:use #:cl
+        #:alexandria
+        #:split-sequence
+        #:just-getopt-parser)
+  (:export #:main))
+
+(in-package #:autotag)
+
+(cl-interpol:enable-interpol-syntax)
+
+(defparameter *quiet-p* nil
+  "Should autotag be quiet?")
+
+(defparameter *order-p* nil
+  "Apply tags in the same order as in release? (ignore name matching
+  or keywords)")
+
+(defparameter *rename-p* t
+  "Should files be renamed by default?")
+
+(defparameter *use-id-p* nil
+  "")
+
+(defparameter *print-tags-p* nil
+  "")
+
+(defvar *album-name* nil)
+(defvar *album-artist* nil)
+(defvar *npathnames* nil)
+
+(defvar *database* "https://musicbrainz.org/ws/2/")
+
+(defparameter *valid-cmd-line-args*
+  '(;;
+    (:artist "artist" :required)
+    ;;
+    (:album #\A :required)
+    (:album "album" :required)
+    ;;
+    (:order #\o)
+    (:order "order")
+    ;;
+    (:id #\i)
+    (:id "id")
+    ;;
+    (:use-id #\u :required)
+    (:use-id "use-id" :required)
+    ;;
+    (:print-tags #\p)
+    (:print-tags "print-tags")
+    ;;
+    (:dont-rename #\n)
+    (:dont-rename "dont-rename")
+    ;;
+    (:quiet #\q)
+    (:quiet "quiet")
+    ;;
+    (:help #\h)
+    (:help "help")))
+
+(defun chomp (string)
+  (if (and (string/= string "") (eql (last-elt string) #\Newline))
+      (subseq string 0 (1- (length string)))
+      string))
+
+(defun dmenu (options &key (printer #'princ-to-string) (lines 10) prompt text-output)
+  (let ((text-options (mapcar printer options)))
+    (multiple-value-bind (output error-output exit-status)
+	(trivial-shell:shell-command
+	 (format nil "dmenu~@[ -l '~A'~]~@[ -p \"~A\"~]"
+		 lines
+		 (str:replace-using '("\"" "\\\"" "$" "\\$") prompt))
+	 :input (format nil "~{~A~%~}" text-options))
+      (declare (ignore error-output exit-status))
+      (if text-output
+	  (chomp output)
+	  (let ((position (position (chomp output) text-options :test #'string=)))
+	    (and position (elt options position)))))))
+
+(defun info (control-string &rest format-arguments)
+  (unless *quiet-p*
+    (apply #'format t control-string format-arguments)))
+
+;; Tags used by this autotagger, each track has one instance of this
+;; struct
+(defstruct tag
+  (title "")
+  (album "")
+  (artist "")
+  (date "")
+  (track "")
+  (keywords nil))
+
+(defparameter *ogg-tags*
+  `((:title  "TITLE"       ,#'tag-title  ,#'(setf tag-title))
+    (:artist "ARTIST"      ,#'tag-artist ,#'(setf tag-artist))
+    (:album  "ALBUM"       ,#'tag-album  ,#'(setf tag-album))
+    (:date   "DATE"        ,#'tag-date   ,#'(setf tag-date))
+    (:track  "TRACKNUMBER" ,#'tag-track  ,#'(setf tag-track))))
+
+;; (defun read-ogg-tags (pathname)
+;;   (flet ((ogg-field-reader (line)
+;; 	   (unless (string= line "")
+;; 	     (let* ((fields (split-sequence #\= line))
+;; 		    (name (car (rassoc (car fields) *ogg-tags*
+;; 				       :test #'string= :key #'first)))
+;; 		    (value (apply #'concatenate 'string (cdr fields))))
+;; 	       (list name value)))))
+;;     (read-tags (format nil "vorbiscomment -l ~A" pathname) #'ogg-field-reader)))
+
+(defun print-tag (tag)
+  (dolist (field *ogg-tags*)
+    (format t "~A=~A" (elt field 1) (funcall (elt field 2) tag))))
+
+(defun write-ogg-tags (pathname tag)
+  (trivial-shell:shell-command
+   (with-open-stream (stream (make-string-output-stream))
+     (format stream "vorbiscomment -w \"~A\"" pathname)
+     (loop :for (tag-name ogg-name reader writer) :in *ogg-tags*
+	   :for value = (funcall reader tag)
+	   :do
+	      (format stream " -t \"~A=~A\"" ogg-name value))
+     (get-output-stream-string stream))))
+
+(defun help ()
+  (format t #?|~&Usage: autotag [OPTION...] [DIRECTORY... \| FILE...]
+
+autotag - Uses metadata from musicbrainz.org to fill song files with
+the tags of a given album.
+
+Examples:
+
+Assume that the directory working on has the same name as <ALBUM>
+  autotag --artist=<ARTIST> -A <ALBUM>
+
+Options:
+      --artist=ARTIST    improve search results by providing an artist
+  -A, --album=ALBUM      name of the album the files belong to
+  -i, --id               get album id
+  -u, --use-id=ID        use ID as release id
+  -p, --print-tags       write tags to stdout instead of file
+  -o, --order            ignore file names and assume that files are in order
+                         (useful for ripped CDs)
+  -q, --quiet            do not output operations being done
+  -h, --help             show help options
+
+autotag
+Copyright (C) 2020 Thomas Albers Raviola <thomas@thomaslabs.org>
+This program comes with ABSOLUTELY NO WARRANTY.
+This is free software, and you are welcome to redistribute it
+under the terms of the GNU General Public License.
+|)
+  (uiop:quit))
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